Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Hare Ram Aryal"'
Autor:
Ajinkya G. Nene, Makoto Takahashi, Prakash R. Somani, Hare Ram Aryal, Koichi Wakita, Masayoshi Umeno
Publikováno v:
Carbon: Science and Technology, Vol 8, Iss 1, Pp 13-24 (2016)
Novel method to synthesize graphene-Fe3O4 nanocomposite is disclosed. Graphene functionalized with carboxylic group was added during the chemical synthesis of Fe3O4 nanoparticles by reduction of Fe(acac)3 using ascorbic acid to get graphene-Fe3O4 na
Externí odkaz:
https://doaj.org/article/30cade13aa01416789694615222818bc
Publikováno v:
Journal of Materials Science and Chemical Engineering. :10-14
Catalyst-free graphene films has been synthesized by microwave (MW) surface wave plasma (SWP) chemical vapor deposition (CVD) using hydrogenated carbon source on silicon substrates at low temperature (500℃). The synthesized process is simple, low-c
Autor:
Koichi Wakita, Y. Kawashimo, Sunil Adhikary, Sudip Adhikari, M. Umeno, Dilip Chandra Ghimire, Hare Ram Aryal, Madhu Sudan Kayastha, Hideo Uchida, T. Takeuchi, K. Murakami
Publikováno v:
Journal of Surface Engineered Materials and Advanced Technology. :178-183
Amorphous carbon (a-C) thin films have been synthesized by microwave (MW) surface wave plasma (SWP) chemical vapor deposition (CVD) on n-type silicon and quartz substrates, aiming at the application of the films for photovoltaic solar cells. Argon, a
Publikováno v:
Journal of Physical Science and Application. 6
Autor:
Tetsuo Soga, Sudip Adhikari, Naoki Kishi, Jianhui Zhang, Masayoshi Umeno, Takashi Jimbo, Hare Ram Aryal, Ishwor Khatri
Publikováno v:
Thin Solid Films. 518:6756-6760
Ultrasonic spray pyrolysis method for the synthesis of carbon nanotubes (CNTs) has been investigated with zeolite supporting material. Single wall carbon nanotubes (SWCNTs) were obtained at 850 °C in nitrogen environment. Such deposition system make
Publikováno v:
Journal of Nanoscience and Nanotechnology. 10:3844-3848
Here, we report incorporation of multiwalled carbon nanotubes (MWNTs) in Poly(3-octylthiophene)/fullerene heterojunction solar cells. Multi-walled carbon nanotubes (MWNTs) were functionalized by oxygen plasma treatment. Photoelectron spectroscopy stu
Autor:
Tetsuo Soga, Maheshwar Sharon, Masayoshi Umeno, Golap Kalita, Hare Ram Aryal, Sudip Adhikari, Rakesh A. Afre
Publikováno v:
Current Applied Physics. 9:346-351
Multi-walled carbon nanotubes (MWCNTs) placed under nitrogen (N 2 ) and argon (Ar) microwave plasma in order to functionalize covalently their side walls with nitrogen containing groups. X-ray photoelectron spectroscopy (XPS) study shows surface modi
Publikováno v:
Diamond and Related Materials. 18:465-468
Fluorinated amorphous carbon (a-C:F) thin films were synthesized above room temperature by microwave surface wave plasma chemical vapour deposition (MW SWP CVD). The effect of deposition temperature on optical, electrical, chemical and bonding proper
Autor:
Golap Kalita, Sudip Adhikari, Masayoshi Umeno, Rakesh A. Afre, Dilip Chandra Ghimre, Tetsuo Soga, Maheshwar Sharon, Hare Ram Aryal
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 41:299-303
Here, we report fluorination of multi-walled carbon nanotubes (MWNTs) via the surface wave microwave (SW-MW) plasma technique. We have investigated the change in the atomic and structures properties of fluorinated MWNTs using X-ray photoemission elec
Autor:
Masayoshi Umeno, Sudip Adhikari, Hare Ram Aryal, Dilip Chandra Ghimire, Maheshwar Sharon, Rakesh A. Afre, Tetsuo Soga, Golap Kalita
Publikováno v:
Diamond and Related Materials. 17:1697-1701
Fluorine incorporated amorphous carbon (a-C:F) thin films were prepared by Microwave Surface Wave Plasma chemical vapour deposition (MW SWP CVD) using a mixture of carbon tetrafluoride (CF 4 ) and acetylene (C 2 H 2 ) gas along with argon (Ar) as dil